So many cases have reported that many people are facing the same problem when they remove the Alive Idea Desktop and install the NVIDIA driver on their Lenovo IdeaPad Y550. This causes the problem of brightness in the IdeaPad, since the Fn key does not work properly. The Fn key is usually used as the mean to change the brightness setting. But this ‘sticky’ problem mostly occurs after the removing and installing of the driver are done.
Some people try to uninstall the Energy Manager, but they get even more stressed since the problem is not solved. Moreover, it get worse, since their Lenovo IdeaPad Y550 screen turned out to white and suddenly the monitor shut off automatically. This cases and symptoms show that the backlit screen of the Lenovo IdeaPad Y550 has a serious problem.
The following problem may occur from the process of uninstallation or removal of the Alive Idea Desktop that is done carelessly or incomplete. Before the problem gets worse, you should really check the Energy Manager, whether it is correct or not. The one that should be installed is the Energy Manager version 4.4.0.8 for Windows 7 64-bit. The process involves the process of reinstalling Alive Idea Desktop and uninstalling it once again, restarting the computer, and once the Windows is up, reinstalling the Energy Manager.